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P0170 Diagnostic Trouble Code Discussion for January 2009

Fuel Trim Lean Or Rich (Bank 1)

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Trouble Ticket Help Requests for DTC P0170
Help Request Posted
2000 BMW Z3 Roadster 2.5L Misfire VIN: 4USCH9345Y
P0170: Fuel trim. Hi everyone. Have in a 2000 BMX Z-3 2.5 with intermittent misfires. Started out having problem for 1st few miles of driving after sitting overnight, then drove perfect for a week. Now got worse and only occasionally will run good. Has codes for all misc misfir...
January 08, 2009
2001 Mitsubishi Montero Limited 3.5L MIL Lamp on VIN: JA4MW51R71
P0170: Fuel Trim Lean Or Rich (Bank 1). ... wires on previous visit for code p0301. CEL came on after a while and codes were p0170,p0173. Could not find in Modis what codes were for. Shop Key was able to say fuel trim problem. LTFT was between 15 and 20 for both ban...
January 09, 2009
1998 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJH65F2W
P0170: Adaptation at limit at idle right bank. Greetings. Car has codes P0170-023 and P0173-134 for fuel trim out of limits. Problem is present at idle with numbers ranging from .747ms to 1.125ms at various times and tests. Engine is adding fuel (note ms reading) to correct for lean mixture at idle. Initia...
January 13, 2009